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Investigation

Toxoplasmosis and intestinal protozoa

Research Lines

Content with Investigacion Hepatitis .

Hepatitis

  1. Diseño de métodos diagnósticos para el estudio de los virus de las hepatitis (VH) A, B, C, D, E: Diseñamos sistemas de PCR para su detección y caracterización.
  2. Evaluación de métodos diagnósticos de los VH. Colaboramos con empresas para estudios de sensibilidad y especificidad de equipos diagnósticos.
  3.  Estudios de Seroprevalencia de los virus de las hepatitis.
  4.  Epidemiología genómica de genomas completos de VHA, VHB, VHC, VHD y VHE en colaboración con el ECDC. Estudios de trazabilidad del VHE.
  5. Caracterización molecular de virus de las hepatitis mediante secuenciación masiva:               a) VHB: mutantes de escape HBsAg (prevalencia y efectos en la detección del HBsAg). Estudio de mutaciones en epítopos de estimulación inmune y mutaciones asociadas a evolución clínica desfavorable.
    1. b) VHC: resistencias a los antivirales de acción directa. Análisis molecular de subtipos poco frecuentes.
      c) Estudios filogenéticos del VHD.
       d) Análisis genómico del VHE.
       e) Investigación etiológica de hepatitis no filiadas mediante estudios de metagenómica.

Research projects

Content with Investigacion Hepatitis .

1.    Proyecto CIBEREPS 2022. Microbiological and genomic investigation of hepatitis in children by metagenomic approach in case and control subjects (IP: Ana Avellón).
2023-2024. En colaboración con el Hospital San Joan de Deu de Barcelona.

2.    MPY 501-19: Tracking hepatitis E virus infection by means of epidemiological research and whole genome sequencing. Project TrazHE. (IP: Ana Avellón). 2020-2024.

3.    Proyecto CIBEREPS 2021 Metagenomic sequencing to identify viral aetiologies in undiagnosed paediatric cases of meningitis and encephalitis (IP: D. Tarragó). 2021-2022.

4.    MPY 383/19 (PEJ2018-004446-A). Ayudas para la promoción de empleo joven e implantación de la garantía juvenil en I+D+I. análisis de la complejidad de secuencias de los virus de la hepatitis A, B, C; D y E (VHA, VHB, VHC, VHD y VHE) mediante técnicas de secuenciación masiva. (IP: Ana Avellón). 2020-2021.

5.    MPY 1285/16 Movilidad "Salvador de Madariaga" programa estatal de promoción de talento y su empleabilidad. (IP: Ana Avellón). 2016.​

Publications

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Inhibition of LpxC increases antibiotic susceptibility in Acinetobacter baumannii.

8. García-Quintanilla M, Caro-Vega JM, Pulido MR, Moreno-Martínez P, Pachón J, McConnell M.J.* Inhibition of LpxC increases antibiotic susceptibility in Acinetobacter baumannii. Antimicrobial Agents and Chemotherapy. 2016 Jul 22;60(8):5076-9.

PUBMED DOI

Immunization with lipopolysaccharide-deficient whole cells provides protective immunity in an experimental mouse model of Acinetobacter baumannii infection.

9. García-Quintanilla M., Pulido M.R., Pachón J. and McConnell, M.J.* Immunization with lipopolysaccharide-deficient whole cells provides protective immunity in an experimental mouse model of Acinetobacter baumannii infection. PLOS One. 2014 Dec 8;9(12).

PUBMED DOI

Varicella-zoster virus clades circulating in Spain over two decades.

I. González; A. Molina-Ortega; P. Pérez-Romero; J.E. Echevarría; L. He; D. Tarragó. Varicella-zoster virus clades circulating in Spain over two decades. Journal of Clinical Virology. 110, pp. 17- 21. 2019.

PUBMED DOI

Human herpesvirus 8-associated inflammatory cytokine syndrome.

M. Prieto-Barrios; R. Aragón-Miguel; D. Tarragó-Asensio; A. Lalueza; C. Zarco-Olivo. Human herpesvirus 8-associated inflammatory cytokine syndrome. JAMA Dermatology. 154 - 2, pp. 228 - 230. 2018.

PUBMED DOI

Encephalitis associated with human herpesvirus-7 infection in an immunocompetent adult.

M. Parra; A. Alcala; C. Amoros; A. Baeza; A. Galiana; D. Tarragó; M.Á. García-Quesada; V. Sánchez-Hellín. Encephalitis associated with human herpesvirus-7 infection in an immunocompetent adult. Virology Journal. 14 - 1, 2017.

PUBMED DOI

Molecular epidemiology of enterovirus and parechovirus infections according to patient age over a 4-year period in Spain.

M. Cabrerizo; M. Díaz-Cerio; C. Muñoz-Almagro; N. Rabella; D. Tarragó; M.P. Romero; M.J. Pena; C. Calvo; S. Rey-Cao; A. Moreno-Docón; I. Martínez-Rienda; A. Otero; G. Trallero. Molecular epidemiology of enterovirus and parechovirus infections according to patient age over a 4-year period in Spain. J Med Virol. 2017 Mar;89(3):435-442.

PUBMED DOI

Viral epidemic outbreaks and public health alerts studied at the National Centre of Microbiology during a two-year period (2012-2013).

J.M. Echevarría Mayo; A.A. Avellón Calvo; M. Cabrerizo Sanz; I. Casas Flecha; J.E. Echevarría Mayo; Fd.eO. de Ory Manchón; A. Negredo Antón; F. Pozo Sánchez; M.P. Sánchez-Seco Fariñas; D. Tarragó Asensio; G. Trallero Masó. Viral epidemic outbreaks and public health alerts studied at the National Centre of Microbiology during a two-year period (2012-2013). Revista española de salud pública. 90, pp. E16 - E16. 2016

PUBMED

Application of a commercial immunoblot to define EBV IgG seroprofiles.

F. de Ory; E. Guisasola; D. Tarragó; J.C. Sanz. Application of a commercial immunoblot to define EBV IgG seroprofiles. Journal of Clinical Laboratory Analysis. 29 - 1, pp. 47 - 51. 2015.

PUBMED DOI

Content with Investigacion Susceptibilidad del huésped a las infecciones fúngicas invasoras .

List of staff

Additional Information

Our group carries out research studies in the diagnosis, reference and epidemiology of zoonoses and emerging diseases, both indigenous and imported, caused by protozoa. Coordinates the study in the human field with the relevance of the animal field and the environment (One Health initiative), with special interest in Toxoplasmosis, a highly prevalent zoonosis (WHO lists it as the 3rd food-borne zoonosis in Europe), presents a complex epidemiological cycle and causes neurological, ocular and systemic symptoms. We carry out diagnostic and characterization studies of Toxoplasma gondii from human and animal cases, to obtain greater epidemiological information and analyze the possible relationship with virulence and pathology.

Cryptosporidium, Giardia, Blastocystis and Entamoeba histolytica cause gastrointestinal diseases, affecting children, immunosuppressed people and travelers. They can cause outbreaks.  We develop diagnostic and characterization studies of isolates from humans and animals, from different areas and countries, to establish the presence of the main species and genotypes and the epidemiological situation. We are beginning the study of associations between these parasites and the intestinal microbiota.

The pathogenic Free-Living Amoebas, Acanthamoeba, Naegleria fowleri and Balamuthia mandrillaris, cause emerging diseases, highlighting the importance of the environment in transmission. They cause underdiagnosed neurological and ocular cases. The diagnostic and genotyping study of human and animal isolates that we are carrying out aims to establish the real prevalence, transmission routes and epidemiology.

Our group carries out research studies in the diagnosis, reference and epidemiology of zoonoses and emerging diseases, both indigenous and imported, caused by protozoa. Coordinates the study in the human field with the relevance of the animal field and the environment (One Health initiative), with special interest in Toxoplasmosis, a highly prevalent zoonosis (WHO lists it as the 3rd food-borne zoonosis in Europe), presents a complex epidemiological cycle and causes neurological, ocular and systemic symptoms. We carry out diagnostic and characterization studies of Toxoplasma gondii from human and animal cases, to obtain greater epidemiological information and analyze the possible relationship with virulence and pathology.

Cryptosporidium, Giardia, Blastocystis and Entamoeba histolytica cause gastrointestinal diseases, affecting children, immunosuppressed people and travelers. They can cause outbreaks.  We develop diagnostic and characterization studies of isolates from humans and animals, from different areas and countries, to establish the presence of the main species and genotypes and the epidemiological situation. We are beginning the study of associations between these parasites and the intestinal microbiota.

The pathogenic Free-Living Amoebas, Acanthamoeba, Naegleria fowleri and Balamuthia mandrillaris, cause emerging diseases, highlighting the importance of the environment in transmission. They cause underdiagnosed neurological and ocular cases. The diagnostic and genotyping study of human and animal isolates that we are carrying out aims to establish the real prevalence, transmission routes and epidemiology.

Content with Investigacion Susceptibilidad del huésped a las infecciones fúngicas invasoras .